SM U 74
| SM U 74 ( previous / next - all submarines ) |
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| Construction data | ||
| Submarine type: | Single-hull deep-sea boat war order E / UE |
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| Series: | U 73 - U 74 | |
| Builder: | Imperial Shipyard, Danzig | |
| Build number: | 30th | |
| Launch: | August 10, 1915 | |
| Commissioning: | November 24, 1915 | |
| Technical specifications | ||
| Displacement: | 745 tons (above water) 829 tons (under water) |
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| Length: | 56.80 m | |
| Width: | 5.90 m | |
| Draft: | 4.84 m | |
| Pressure body ø: | 5.00 m | |
| Max. Diving depth: | 50 m | |
| Dive time: | 40-60 s | |
| Drive: | Diesel engines 800 PS E-machines 800 PS |
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| Speed: | 9.6 knots (above water) 7.9 knots (under water) |
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| Armament: | 1 × bow torpedo tube (port side) 1 × stern torpedo tube (starboard) (4 torpedoes in the upper deck) 1 × 8.8 cm deck gun 2 × stern mine tube (38 sea mines) |
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| Mission data | ||
| Commander: |
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| Crew (target strength): | 4 officers 28 men |
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| Calls: | 2 | |
| Successes: | 1 sunk merchant ship | |
| Whereabouts: | sunk in a mine accident off Dunbar (Scotland) | |
SM U-74 was a diesel-electric mines - submarine of the class UE of the German Imperial Navy , which in the First World War was used.
Special feature of the motorization and armament
The main task of U 74 was laying sea mines, of which up to 38 could be transported inside the boat. They were laid via two outlet pipes in the stern of the boat. It was therefore not primarily a submarine for torpedo attacks. Compared to other deep-sea submarines, it was relatively weakly motorized. The surface speed remained in the single-digit range. The torpedo armament was only used for self-defense.
Calls
U 74 was launched on 10 August 1915 at the Imperial Shipyard in Gdansk from the stack and was put into service on 24 November 1915th The submarine was assigned to the I. U-Boot Flotilla in March 1916 . The first and only commander of the submarine was Kapitänleutnant Erwin Weisbach , who commanded it from its commissioning until its sinking on May 17, 1916.
U 74 carried out two operations in the North Sea during the First World War . The British coal freighter Sabbia with 2,802 GRT was sunk. The Sabbia ran on April 20, 1916 about 7 miles southeast of the Isle of May on a mine of U 74 .
U 74 ran out in May 1916 for its second mining operation to the Firth of Forth on the east coast of Scotland . A mine lock was to be laid in front of Rosyth to obstruct the British deep-sea fleet . The boat never returned.
Whereabouts
Originally it was assumed that U 74 had been sunk by artillery fire on May 27, 1916 off Peterhead by a British trawler group . A submarine wreck off Dunbar has since been identified as U 74 . An accident while laying the mines is said to be the cause of the sinking. There were no survivors.
Footnotes
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Erlangen: Karl Müller Verlag, 1993, p. 136.
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Erlangen: Karl Müller Verlag, 1993, p. 123.
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Erlangen: Karl Müller Verlag, 1993, p. 68.
- ↑ uboat.net: Ships hit during WWI - Sabbia
- ↑ wrecksite.eu: D / S Sabbia
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Erlangen: Karl Müller Verlag, 1993, p. 90.
- ^ Paul Kemp: The German and Austrian submarine losses in both world wars . Graefelfing before Munich: Urbes, 1998, p. 18.
- ↑ divernet.com: Wreck Tour 141 - The U74E ( Memento of the original from November 4, 2012 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ uboat.net WWI U-boats U 74
literature
- Bodo Herzog: German U-Boats 1906–1966 . Erlangen: Karl Müller Verlag, 1993, ISBN 3-86070-036-7 .
- Paul Kemp: The German and Austrian submarine losses in both world wars . Graefelfing before Munich: Urbes, 1998, ISBN 3-924896-43-7 .
Web links
- uboat.net WWI U-boats U 74 (engl.)
- wrecksite.eu: U-74
- Memorial plaque for U 74 at the Möltenort submarine memorial
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